52642088777 has 2 divisors, whose sum is σ = 52642088778. Its totient is φ = 52642088776.

The previous prime is 52642088773. The next prime is 52642088791. The reversal of 52642088777 is 77788024625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32118374656 + 20523714121 = 179216^2 + 143261^2 .

It is a cyclic number.

It is not a de Polignac number, because 52642088777 - 2² = 52642088773 is a prime.

It is not a weakly prime, because it can be changed into another prime (52642088771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26321044388 + 26321044389.

It is an arithmetic number, because the mean of its divisors is an integer number (26321044389).

Almost surely, 2^52642088777 is an apocalyptic number.

It is an amenable number.

52642088777 is a deficient number, since it is larger than the sum of its proper divisors (1).

52642088777 is an equidigital number, since it uses as much as digits as its factorization.

52642088777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10536960, while the sum is 56.

The spelling of 52642088777 in words is "fifty-two billion, six hundred forty-two million, eighty-eight thousand, seven hundred seventy-seven".